Superconvexity of the heat kernel on hyperbolic space with applications to mean curvature flow
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Abstract:
We prove a conjecture of Bernstein that the heat kernel on hyperbolic space of any dimension is supercovex in a suitable coordinate and, hence, there is an analog of Huisken’s monotonicity formula for mean curvature flow in hyperbolic space of all dimensions.References
- J. Bernstein, Colding Minicozzi entropy in hyperbolic space, preprint (2020). Available at https://arxiv.org/abs/2007.10218.
- Jacob Bernstein and Lu Wang, A sharp lower bound for the entropy of closed hypersurfaces up to dimension six, Invent. Math. 206 (2016), no. 3, 601–627. MR 3573969, DOI 10.1007/s00222-016-0659-3
- Jacob Bernstein and Lu Wang, A topological property of asymptotically conical self-shrinkers of small entropy, Duke Math. J. 166 (2017), no. 3, 403–435. MR 3606722, DOI 10.1215/00127094-3715082
- Jacob Bernstein and Lu Wang, Topology of closed hypersurfaces of small entropy, Geom. Topol. 22 (2018), no. 2, 1109–1141. MR 3748685, DOI 10.2140/gt.2018.22.1109
- J. Bernstein and L. Wang, Smooth compactness for spaces of asymptotically conical self-expanders of mean curvature flow, IMRN (2019), to appear. Available at https://doi.org/10.1093/imrn/rnz087.
- J. Bernstein and L. Wang, Closed hypersurfaces of low entropy in $\mathbb {R}^4$ are isotopically trivial, preprint (2020). Available at https://arxiv.org/abs/2003.13858.
- Tobias H. Colding and William P. Minicozzi II, Generic mean curvature flow I: generic singularities, Ann. of Math. (2) 175 (2012), no. 2, 755–833. MR 2993752, DOI 10.4007/annals.2012.175.2.7
- E. B. Davies and N. Mandouvalos, Heat kernel bounds on hyperbolic space and Kleinian groups, Proc. London Math. Soc. (3) 57 (1988), no. 1, 182–208. MR 940434, DOI 10.1112/plms/s3-57.1.182
- K. Ishige, P. Salani, and A. Takatsu, Power concavity for elliptic and parabolic boundary value problems on rotationally symmetric domains, preprint (2020). Available at https://arxiv.org/abs/2002.10141.
- Daniel Ketover and Xin Zhou, Entropy of closed surfaces and min-max theory, J. Differential Geom. 110 (2018), no. 1, 31–71. MR 3851744, DOI 10.4310/jdg/1536285626
- Gerhard Huisken, Asymptotic behavior for singularities of the mean curvature flow, J. Differential Geom. 31 (1990), no. 1, 285–299. MR 1030675
- C. Yu and F. Zhao, Li-Yau multiplier set and optimal Li-Yau gradient estimate on hyperbolic spaces, preprint (2018). Available at https://arxiv.org/abs/1807.05709.
- Jonathan J. Zhu, On the entropy of closed hypersurfaces and singular self-shrinkers, J. Differential Geom. 114 (2020), no. 3, 551–593. MR 4072205, DOI 10.4310/jdg/1583377215
Additional Information
- Yongzhe Zhang
- Affiliation: Department of Mathematics, California Institute of Technology, 1200 E. California Boulevard, Pasadena, California 91106
- Email: yongzhe@caltech.edu
- Received by editor(s): August 25, 2020
- Received by editor(s) in revised form: August 28, 2020, October 9, 2020, and October 12, 2020
- Published electronically: March 2, 2021
- Additional Notes: The author was partially supported by the NSF grants DMS-2018220 and DMS-2018221
- Communicated by: Guofang Wei
- © Copyright 2021 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 149 (2021), 2161-2166
- MSC (2020): Primary 35K08, 58J35; Secondary 35K93
- DOI: https://doi.org/10.1090/proc/15379
- MathSciNet review: 4232206